What would cause bubbles to appear shortly after a surface has been power-troweled? Could it be entrapped air escaping through the rather coarse sand matrix? We understand the fineness modulus is high and this could possibly allow the air to channel upwar
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We have painted the concrete floor in the kitchen of a restaurant we constructed, but the paint has worn off in the traffic areas. Please advise what we should do to this floor to give it a smooth, non-slippery, permanent wearing surface.
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